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fix: Generate correct source-map when content is not padded #52

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Merged
merged 3 commits into from
Jan 30, 2019
Merged

fix: Generate correct source-map when content is not padded #52

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da66be6
fix: Generate correct source-map when content is not padded
znck Jan 14, 2019
51edcdb
fix: revert version type
znck Jan 15, 2019
63f3582
Merge branch 'master' into fix-source-map
haoqunjiang Jan 30, 2019
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25 changes: 18 additions & 7 deletions lib/parse.ts
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import { SourceMapGenerator } from 'source-map'
import {
RawSourceMap,
VueTemplateCompiler,
Expand All @@ -6,7 +7,6 @@ import {

const hash = require('hash-sum')
const cache = require('lru-cache')(100)
const { SourceMapGenerator } = require('source-map')

const splitRE = /\r?\n/g
const emptyRE = /^(?:\/\/)?\s*$/
Expand Down Expand Up @@ -48,7 +48,7 @@ export function parse(options: ParseOptions): SFCDescriptor {
source,
filename = '',
compiler,
compilerParseOptions = { pad: 'line' },
compilerParseOptions = { pad: 'line' } as VueTemplateCompilerParseOptions,
sourceRoot = '',
needMap = true
} = options
Expand All @@ -62,7 +62,8 @@ export function parse(options: ParseOptions): SFCDescriptor {
filename,
source,
output.script.content,
sourceRoot
sourceRoot,
compilerParseOptions.pad
)
}
if (output.styles) {
Expand All @@ -72,7 +73,8 @@ export function parse(options: ParseOptions): SFCDescriptor {
filename,
source,
style.content,
sourceRoot
sourceRoot,
compilerParseOptions.pad
)
}
})
Expand All @@ -86,19 +88,28 @@ function generateSourceMap(
filename: string,
source: string,
generated: string,
sourceRoot: string
sourceRoot: string,
pad?: 'line' | 'space'
): RawSourceMap {
const map = new SourceMapGenerator({
file: filename.replace(/\\/g, '/'),
sourceRoot: sourceRoot.replace(/\\/g, '/')
})
let offset = 0
if (!pad) {
offset =
source
.split(generated)
.shift()!
.split(splitRE).length - 1
}
map.setSourceContent(filename, source)
generated.split(splitRE).forEach((line, index) => {
if (!emptyRE.test(line)) {
map.addMapping({
source: filename,
original: {
line: index + 1,
line: index + 1 + offset,
column: 0
},
generated: {
Expand All @@ -108,5 +119,5 @@ function generateSourceMap(
})
}
})
return map.toJSON()
return JSON.parse(map.toString())
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Forgot to ask, why is this needed?

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It's not required with 0.6.1. Please revert this line.

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😂I think I found the answer…
There was a.d.ts file added to the source-map package since v0.5.7, but missing toJSON declaration in SourceMapGenerator until v0.7.0. So we can't use this method unless we patch its type definitions…

}
2 changes: 1 addition & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,7 @@
"postcss": "^7.0.7",
"postcss-selector-parser": "^5.0.0",
"prettier": "1.16.0",
"source-map": "^0.7.3",
"source-map": "~0.6.1",
"vue-template-es2015-compiler": "^1.6.0"
}
}
15 changes: 5 additions & 10 deletions yarn.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -4725,6 +4725,11 @@ source-map@0.1.x:
dependencies:
amdefine ">=0.0.4"

source-map@0.6.1, source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.0, source-map@~0.6.1:
version "0.6.1"
resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==

source-map@^0.4.2:
version "0.4.4"
resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
Expand All @@ -4737,16 +4742,6 @@ source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1:
resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=

source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.0, source-map@~0.6.1:
version "0.6.1"
resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==

source-map@^0.7.3:
version "0.7.3"
resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.7.3.tgz#5302f8169031735226544092e64981f751750383"
integrity sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==

spdx-correct@^3.0.0:
version "3.1.0"
resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.1.0.tgz#fb83e504445268f154b074e218c87c003cd31df4"
Expand Down
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